Make sure the free'd lineptr doesn't leave a dangling pointer. #3098
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andralex
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Mar 24, 2015
Make sure the free'd lineptr doesn't leave a dangling pointer.
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In #3089, a static buffer was introduced to help alleviate reallocating the getline buffer each call. However, in certain cases, the static buffer can be free'd, but not set to null. On a subsequent call to getline, realloc may be called on this invalid pointer. This PR simply nulls the pointer if it's free'd